Does Ryko Target in Edison?

Ryko, Lightsworn Hunter

FLIP: (1A) You can destroy 1 card on the field. (1B) Send the top 3 cards of your Deck to the Graveyard.

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• This effect targets.
• This effect resolves sequentially:
  • first destroy the target (optional);
  • then, mill the top 3 cards of your Deck (mandatory).